To protect your search privacy, you can consider the following methods and software: 1. **Use a VPN**: A virtual private network can encrypt your network traffic and hide your IP address and geographic location. Common VPN services include NordVPN, ExpressVPN, and Surfshark. 2. **Use a private browser**: Some browsers focus on protecting user privacy, such as Tor Browser, which hides user activities through multiple layers of encryption and relay nodes. 3. **Enable the browser's private mode**: Most modern browsers have a private browsing mode (such as Chrome's Incognito mode and Firefox's Private Mode) that prevents the browser from recording your history and search history. However, this does not hide your activities from ISPs or network administrators. 4. **Search engine selection**: Use privacy-focused search engines such as DuckDuckGo, which do not track users' search history. 5. **Anti-tracking extensions**: Install browser extensions such as Privacy Badger or uBlock Origin to prevent third-party tracking. It should be noted that these methods can improve your privacy, but they cannot completely guarantee anonymity. If you need extreme security and anonymity, using a combination of multiple tools and methods is a better choice.